/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package controller;

import common.Constant;
import dao.UserDAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionContext;
import model.SysRoleMenuModel;
import model.UserModel;
import session.AccountBeanLocal;

/**
 *
 * @author Admin
 */
public class LoginController extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException, NamingException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        Context ctx = new InitialContext();

        try {
            String action = request.getParameter("action");
            if (action.equals("Login")) {
                String username = request.getParameter("txtUsername");
                String password = request.getParameter("txtPassword");
                Object ref = ctx.lookup("AccountBeanLocalJNDI");
                AccountBeanLocal acc = (AccountBeanLocal)ref;
                boolean result = acc.checkLogin(username, password);
                String url = "";
                if(result) {
                    UserModel userModel = new UserModel();
                    userModel = UserDAO.getUserByUsername(username);

                    HttpSession session = request.getSession(true);
                    session.setAttribute(Constant.USERID , userModel.getUserID());
                    session.setAttribute(Constant.USERNAME, userModel.getUsername());
                    session.setAttribute(Constant.FULLNAME, userModel.getFirstname() + " " + userModel.getLastname());
                    session.setAttribute(Constant.EMAIL, userModel.getEmail());
                    session.setAttribute(Constant.ROLE, userModel.getAccountType());
                    session.setAttribute(Constant.PASSWORD, userModel.getPassword());
                    
                    url="index.jsp";
                }
                else
                {
                    url="loginFalse.jsp";
                }
                RequestDispatcher rd = request.getRequestDispatcher(url);
                rd.forward(request, response);
            }
        } finally {
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (NamingException ex) {
            Logger.getLogger(LoginController.class.getName()).log(Level.SEVERE, null, ex);
        }
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (NamingException ex) {
            Logger.getLogger(LoginController.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
